From b6633aa3062d5d6c7616bacf22815e606b181841 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Tue, 26 Sep 2023 02:28:51 +0800
Subject: Ignore 2E CS prefix on LOCK opcodes (helps StardewValley on Ubuntu
 20.04/AmpereAltra machine)

---
 src/emu/x64runf0.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64runf0.c b/src/emu/x64runf0.c
index e1dbacea..e0225f57 100644
--- a/src/emu/x64runf0.c
+++ b/src/emu/x64runf0.c
@@ -48,6 +48,8 @@ uintptr_t RunF0(x64emu_t *emu, rex_t rex, uintptr_t addr)
     #endif
 
     opcode = F8;
+    while(opcode==0x2E) // ignoring CS: prefix
+        opcode = F8;
     // REX prefix before the F0 are ignored
     rex.rex = 0;
     if(!rex.is32bits)
-- 
cgit 1.4.1